sysadmintools.com - dns.ninja

sysadmintools.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8c5a🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:36a1🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.54.161Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.90🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjack.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A2803:f800:50::6ca2:c179🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjack.ns.cloudflare.com
A2a06:98c1:50::ac40:2179🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjack.ns.cloudflare.com
A108.162.193.121🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A172.64.33.121🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A173.245.59.121🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
NSnina.ns.cloudflare.com
A2606:4700:50::adf5:3a88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A2803:f800:50::6ca2:c088🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnina.ns.cloudflare.com
A2a06:98c1:50::ac40:2088🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnina.ns.cloudflare.com
A108.162.192.136🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A172.64.32.136🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
A173.245.58.136🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnina.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.54.161, 172.67.140.90
IPv6 hints2606:4700:3032::ac43:8c5a, 2606:4700:3037::6815:36a1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=142, name=cloudflare-ech.com
SOAjack.ns.cloudflare.comdns@cloudflare.com serial=2407361895

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1782877866

Same first word

sysadmintools.com
sysadmintools.net

DNS History

19 records (6 active, 13 former)

200920112013201520172019202120232025NSjack.ns.cloudflare.comnina.ns.cloudflare.comMXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA104.21.54.161172.67.140.902606:4700:3032::ac43:8c5a2606:4700:3037::6815:36a1104.27.138.198104.27.139.198104.28.2.21104.28.3.212400:cb00:2048:1::681c:2152400:cb00:2048:1::681c:3152606:4700:3030::6815:36a12606:4700:3034::681b:8bc62606:4700:3035::681b:8ac62606:4700:3035::ac43:8c5a72.51.38.109
●NSjack.ns.cloudflare.com2015-08-22 → 2026-07-01 · 3 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2026-07-01 04:00:32
●NSnina.ns.cloudflare.com2015-08-22 → 2026-07-01 · 3 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2026-07-01 04:00:32
○MXin1-smtp.messagingengine.com2020-03-07 → 2026-02-15 · 4 obs
● 2020-03-07 15:52:32
● 2026-02-15 11:15:06
○ 2026-02-18 09:58:56
○ 2026-07-01 04:00:32
○MXin2-smtp.messagingengine.com2020-03-07 → 2026-02-15 · 4 obs
● 2020-03-07 15:52:32
● 2026-02-15 11:15:06
○ 2026-02-18 09:58:56
○ 2026-07-01 04:00:32
●A104.21.54.1612026-02-15 → 2026-07-01 · 3 obs
○ 2020-03-07 15:52:32
● 2026-02-15 11:15:06
● 2026-07-01 04:00:32
○A104.27.138.1982020-03-07 → 2020-03-07 · 4 obs
○ 2017-02-16 02:51:08
● 2020-03-07 15:52:32
○ 2026-02-15 11:15:06
○ 2026-07-01 04:00:32
○A104.27.139.1982020-03-07 → 2020-03-07 · 4 obs
○ 2017-02-16 02:51:08
● 2020-03-07 15:52:32
○ 2026-02-15 11:15:06
○ 2026-07-01 04:00:32
○A104.28.2.212015-08-22 → 2017-02-16 · 5 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2017-02-16 02:51:08
○ 2020-03-07 15:52:32
○ 2026-07-01 04:00:32
○A104.28.3.212015-08-22 → 2017-02-16 · 5 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2017-02-16 02:51:08
○ 2020-03-07 15:52:32
○ 2026-07-01 04:00:32
●A172.67.140.902026-02-15 → 2026-07-01 · 3 obs
○ 2020-03-07 15:52:32
● 2026-02-15 11:15:06
● 2026-07-01 04:00:32
○A2400:cb00:2048:1::681c:2152015-08-22 → 2017-02-16 · 5 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2017-02-16 02:51:08
○ 2020-03-07 15:52:32
○ 2026-07-01 04:00:32
○A2400:cb00:2048:1::681c:3152015-08-22 → 2017-02-16 · 5 obs
○ 2008-03-20 04:20:04
● 2015-08-22 07:13:48
● 2017-02-16 02:51:08
○ 2020-03-07 15:52:32
○ 2026-07-01 04:00:32
○A2606:4700:3030::6815:36a12026-02-15 → 2026-06-11 · 4 obs
○ 2020-03-07 15:52:32
● 2026-02-15 11:15:06
● 2026-06-11 20:38:14
○ 2026-07-01 04:00:32
●A2606:4700:3032::ac43:8c5a2026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-11 20:38:14
● 2026-07-01 04:00:32
○A2606:4700:3034::681b:8bc62020-03-07 → 2020-03-07 · 4 obs
○ 2017-02-16 02:51:08
● 2020-03-07 15:52:32
○ 2026-02-15 11:15:06
○ 2026-07-01 04:00:32
○A2606:4700:3035::681b:8ac62020-03-07 → 2020-03-07 · 4 obs
○ 2017-02-16 02:51:08
● 2020-03-07 15:52:32
○ 2026-02-15 11:15:06
○ 2026-07-01 04:00:32
○A2606:4700:3035::ac43:8c5a2026-02-15 → 2026-06-11 · 4 obs
○ 2020-03-07 15:52:32
● 2026-02-15 11:15:06
● 2026-06-11 20:38:14
○ 2026-07-01 04:00:32
●A2606:4700:3037::6815:36a12026-07-01 → 2026-07-01 · 2 obs
○ 2026-06-11 20:38:14
● 2026-07-01 04:00:32
○A72.51.38.1092008-03-20 → 2008-03-20 · 3 obs
● 2008-03-20 04:20:04
○ 2015-08-22 07:13:48
○ 2026-07-01 04:00:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...-
sysadmintools.comjack.ns.cloudflare.com, nina.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.136

NS records: jack.ns.cloudflare.com, nina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysadmintools.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.54.161, 172.67.140.90
AAAA22606:4700:3032::ac43:8c5a, 2606:4700:3037::6815:36a1
NS2jack.ns.cloudflare.com, nina.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jack.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jack.ns.cloudflare.com, jack.ns.cloudflare.com, jack.ns.cloudflare.com...)

Analysis

IP Addresses

sysadmintools.com has four IP addresses: 104.21.54.161, 172.67.140.90, 2606:4700:3032::ac43:8c5a and 2606:4700:3037::6815:36a1.

Two other host names, along with mail.amanahost.com, meteorprogram.com and bluecolor.com.br, also share IP numbers with sysadmintools.com.

Name Servers

sysadmintools.com uses two name servers for its delegation: jack.ns.cloudflare.com and nina.ns.cloudflare.com.

sysadmintools.com shares its NS records with other domains, for example mayankraichura.com, karmabuildcon.com, pergunteresponderemos.com.br and two others.

sysadmintools.com shares at least some of its name servers with other domains, including captaintrain.net, valorouschurch.com, clickro.ir and two others.

These name servers are frequently seen alongside the name servers chad.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname jack.ns.cloudflare.com directs to 108.162.193.121, 172.64.33.121 and 173.245.59.121 along with 3 other IP addresses.

Hostname nina.ns.cloudflare.com directs to 108.162.192.136, 172.64.32.136 and 173.245.58.136 along with 3 other IP addresses.